chore(ci): print failing test markers on error #37

	name: Workflow Sanity

	on:
	push:
	branches: ["main"]
	pull_request:

	concurrency:
	group: workflow-sanity-${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: ${{ github.event_name == 'pull_request' }}

	jobs:
	yaml-no-tabs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Fail on tabs in workflow files
	run: \|
	python - <<'PY'
	from pathlib import Path
	import sys

	root = Path(".github/workflows")
	bad = []
	for pattern in (".yml", ".yaml"):
	for path in sorted(root.rglob(pattern)):
	if b"\t" in path.read_bytes():
	bad.append(str(path))
	if bad:
	print("Tabs found in workflow files:")
	for item in bad:
	print(f"- {item}")
	sys.exit(1)
	print("Workflow files: OK")
	PY

	actionlint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Run actionlint
	uses: raven-actions/actionlint@v2

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